在髌股疼痛综合征男性跑者中，足着地方式和步频对髌股关节应力的影响。

Influence of foot strike patterns and cadences on patellofemoral joint stress in male runners with patellofemoral pain.

机构信息

Key Laboratory of Exercise and Health Sciences, Shanghai University of Sport, Shanghai, 200438, China.

Key Laboratory of Exercise and Health Sciences, Shanghai University of Sport, Shanghai, 200438, China; School of Athletic Performance, Shanghai University of Sport, Shanghai 200438, China.

出版信息

Phys Ther Sport. 2024 Jan;65:1-6. doi: 10.1016/j.ptsp.2023.10.006. Epub 2023 Nov 9.

DOI:10.1016/j.ptsp.2023.10.006

PMID:37976905

Abstract

OBJECTIVES

This study aimed to determine the effect of foot strike patterns and cadences in male runners with patellofemoral pain (PFP).

DESIGN

Cross-sectional study.

SETTING

Biomechanics lab.

METHODS

20 male runners with PFP were instructed to randomly complete six running conditions (three cadence conditions in rearfoot strike pattern (RFS) or forefoot strike (FFS)) under a preferred running speed.

MAIN OUTCOME MEASURES

The primary outcomes were peak knee joint and moment, and secondary outcomes were patellofemoral joint stress.

RESULTS

Running with increased cadence has a lower flexion angle (P = 0.027, η = 0.45), lower extension moment (P = 0.011, η = 0.29), lower internal rotation moment (P = 0.040, η = 0.17), lower patellofemoral stress (P = 0.029, η = 0.52) than preferred cadence. FFS running performed significantly lower flexion angle (P = 0.003, η = 0.39), lower extension moment (P < 0.001, η = 0.91), lower adduction moment (P = 0.020, η = 0.25) lower patellofemoral stress (P < 0.001, η = 0.81) than RFS running for all cadence.

CONCLUSIONS

Preliminary findings provide new perspectives for male runners with PFP to unload patellofemoral joint stress in managing PFP through the combination of the FFS pattern and increased cadence.

摘要

目的

本研究旨在探讨男性髌股疼痛（PFP）患者的足着地方式和步频对膝关节的影响。

设计

横断面研究。

地点

生物力学实验室。

方法

20 名男性 PFP 患者在其惯用跑步速度下，随机完成 6 种跑步条件（3 种步频下的后足着地模式（RFS）或前足着地（FFS））。

主要观察指标

主要观察指标为膝关节峰值关节力矩，次要观察指标为髌股关节压力。

结果

增加步频时，膝关节的屈曲角度更低（P=0.027，η=0.45），伸膝力矩更低（P=0.011，η=0.29），内旋力矩更低（P=0.040，η=0.17），髌股关节压力更低（P=0.029，η=0.52），与惯用步频相比。FFS 跑步时，膝关节的屈曲角度更低（P=0.003，η=0.39），伸膝力矩更低（P<0.001，η=0.91），内收力矩更低（P=0.020，η=0.25），髌股关节压力更低（P<0.001，η=0.81），与 RFS 跑步相比。